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  4. Performance characterization and failure analysis for laminar PZT components
 
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2010
Conference Paper
Title

Performance characterization and failure analysis for laminar PZT components

Abstract
A general procedure for investigating the loading limits, damage behavior and reliability of laminar piezoceramic transducers is proposed. The characterization of the sensor and actuator performance and a quasistatic and cyclic testing program under mechanical and electrical loading and under various environmental conditions provide a data basis for the identification of damage mechanisms and for the assessment of long-term integrity. Numerical simulation is used both to predict performance and to contribute to a better understanding of the experimental results by studying the local loading conditions in a component under various boundary conditions. The method is exemplified on an extended study on foil-based PZT patches for which a temperature dependant lifetime diagram was derived and on miniature piezoelectric bending actuators developed and tested for use in an implantable peristaltic micropump.
Author(s)
Gall, M.
Thielicke, B.
Mainwork
ACTUATOR 2010, 12th International Conference on New Actuators & 6th International Exhibition on Smart Actuators and Drive Systems. Conference Proceedings  
Conference
International Conference on New Actuators (ACTUATOR) 2010  
International Exhibition on Smart Actuators and Drive Systems 2010  
Language
English
Fraunhofer-Institut für Werkstoffmechanik IWM  
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